National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Briefing for Impacts from Hurricane Erin through Sunday

Hurricane Erin will continue to bring coastal and marine hazards to the coasts of New Jersey and Delaware through the weekend. Coastal flooding, high risk of rip currents, beach erosion, and dangerous marine conditions are forecast. View this briefing for details on these threats. Read More >

Hazardous Weather Conditions

Current conditions at

Annapolis, United States Naval Academy (KNAK)

Lat: 38.99°NLon: 76.49°WElev: 3ft.

Fair

65°F

18°C

Humidity 81%
Wind Speed Calm
Barometer 30.08 in (1018.8 mb)
Dewpoint 59°F (15°C)
Visibility 10.00 mi
Last update 23 Aug 3:54 am EDT
Extended Forecast for

Grasonville MD

Coastal Flood Advisory August 23, 04:18am until August 23, 09:00am
Click here for hazard details and duration
...
  •  
    Coastal Flood Advisory August 23, 04:18am until August 23, 09:00am

    NOW until 9:00am Sat

    Coastal Flood Advisory

  • Today

    High: 81 °F

    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 69. South wind 5 to 10 mph.

    Low: 69 °F

    Partly Cloudy

  • Sunday

    Sunday: A slight chance of showers after 2pm. Mostly sunny, with a high near 83. South wind 5 to 10 mph. Chance of precipitation is 20%.

    High: 83 °F

    Mostly Sunny
    then Slight
    Chance
    Showers

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms, mainly after 8pm. Mostly cloudy, with a low around 69. South wind around 5 mph. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 69 °F

    Chance
    T-storms

  • Monday

    Monday: Mostly sunny, with a high near 83. Northwest wind 5 to 10 mph.

    High: 83 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 64.

    Low: 64 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 77.

    High: 77 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 61.

    Low: 61 °F

    Partly Cloudy

Detailed Forecast

Today
Sunny, with a high near 81. South wind 5 to 10 mph.
Tonight
Partly cloudy, with a low around 69. South wind 5 to 10 mph.
Sunday
A slight chance of showers after 2pm. Mostly sunny, with a high near 83. South wind 5 to 10 mph. Chance of precipitation is 20%.
Sunday Night
A chance of showers and thunderstorms, mainly after 8pm. Mostly cloudy, with a low around 69. South wind around 5 mph. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Monday
Mostly sunny, with a high near 83. Northwest wind 5 to 10 mph.
Monday Night
Mostly clear, with a low around 64.
Tuesday
Mostly sunny, with a high near 77.
Tuesday Night
Partly cloudy, with a low around 61.
Wednesday
Sunny, with a high near 76.
Wednesday Night
Mostly clear, with a low around 60.
Thursday
Mostly sunny, with a high near 78.
Thursday Night
Partly cloudy, with a low around 62.
Friday
Mostly sunny, with a high near 79.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Grasonville MD
 38.96°N 76.21°W (Elev. 3 ft)
Last Update:
4:10 am EDT Aug 23, 2025
Forecast Valid:
4am EDT Aug 23, 2025-6pm EDT Aug 29, 2025
 
Forecast Discussion
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation